The big problem I am facing is the width of the engine package due to the location of the accessories. GM has designed this engine for both FWD and RWD. The FWD configuration demands the engine be as short as possible, so the accessories are located on the sides of the engine instead of the front; even on the RWD Camaro version. The result is that the stock engine package is wider than the frame rails on the Chevette.
I have considered chopping on the frame rails, but now I think the better option is to mount a 1/2" aluminum plate to the front of the engine (thankfully it is very flat) and then mount the old TBI 4.3 V6 accessories to the plate. Conveniently, the TBI 4.3 V6 accessories use brackets made of aluminum castings on each side of the engine to mount the accessories (and belt tensioner) and I think these brackets can be easily mounted to the 1/2" aluminum plate. The hardest part will be extending forward the crank belt drive and the waterpump pulley. But, all said, I think modifying the engine will be easier and cleaner. The front crossmember will also have to be modified and firewall clearance for the driver's side head (where the high pressure fuel pump resides). I will be using a Fiero steering column so I can route the steering shaft to clear the engine as required. The only other issue I have noticed is the brake booster will be very close to the head, but I think that can be made to work.
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